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Finding the Fourth Proportional to 503,753.04, 694,954.28 and 340,356.80

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Solution

The fourth proportional to 503,753.04, 694,954.28 and 340,356.80 is: 469,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,753.04 : 694,954.28 = 340,356.80 : x
  2. Step 2: Convert to fraction form
    503,753.04/694,954.28 = 340,356.80/x
  3. Step 3: Cross multiply
    503,753.04x = 694,954.28 × 340,356.80
  4. Step 4: Simplify right side
    503,753.04x = 236,532,414,887.10
  5. Step 5: Solve for x
    x = 236,532,414,887.10/503,753.04
  6. Step 6: Final answer
    x = 469,540.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.